LogarithmPlotter/LogarithmPlotter/logarithmplotter.py
Ad5001 8925eb58a8
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2022-01-23 17:31:34 +01:00

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Python

"""
* LogarithmPlotter - 2D plotter software to make BODE plots, sequences and repartition functions.
* Copyright (C) 2022 Ad5001
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
"""
from time import time
start_time = time()
from PySide2.QtWidgets import QApplication, QFileDialog
from PySide2.QtQml import QQmlApplicationEngine, qmlRegisterType
from PySide2.QtCore import Qt, QObject, Signal, Slot, Property, QTranslator, QLocale, QCoreApplication
from PySide2.QtGui import QIcon, QImage, QKeySequence
from PySide2 import __version__ as PySide2_version
from tempfile import mkstemp
from os import getcwd, chdir, environ, path, remove, close
from platform import release as os_release
from json import dumps, loads
from sys import platform, argv, version as sys_version, exit
from webbrowser import open as openWeb
# Create the temporary file for saving copied screenshots
fd, tmpfile = mkstemp(suffix='.png')
pwd = getcwd()
chdir(path.dirname(path.realpath(__file__)))
from sys import path as sys_path
if path.realpath(path.join(getcwd(), "..")) not in sys_path:
sys_path.append(path.realpath(path.join(getcwd(), "..")))
from LogarithmPlotter import config, native, __VERSION__
from LogarithmPlotter.update import check_for_updates
config.init()
def get_linux_theme():
des = {
"KDE": "org.kde.desktop",
"gnome": "default",
"lxqt": "fusion",
"mate": "fusion",
}
if "XDG_SESSION_DESKTOP" in environ:
return des[environ["XDG_SESSION_DESKTOP"]] if environ["XDG_SESSION_DESKTOP"] in des else "fusion"
else:
# Android
return "Material"
class Helper(QObject):
def __init__(self, engine: QQmlApplicationEngine):
QObject.__init__(self)
self.engine = engine;
@Slot(str, str)
def write(self, filename, filedata):
chdir(pwd)
if path.exists(path.dirname(path.realpath(filename))):
if filename.split(".")[-1] == "lpf":
# Add header to file
filedata = "LPFv1" + filedata
f = open(path.realpath(filename), 'w', -1, 'utf8')
f.write(filedata)
f.close()
chdir(path.dirname(path.realpath(__file__)))
@Slot(str, result=str)
def load(self, filename):
chdir(pwd)
data = '{}'
from PySide2.QtWidgets import QMessageBox
if path.exists(path.realpath(filename)):
f = open(path.realpath(filename), 'r', -1, 'utf8')
data = f.read()
f.close()
try:
if data[:5] == "LPFv1":
# V1 version of the file
data = data[5:]
elif data[0] == "{" and "type" in loads(data) and loads(data)["type"] == "logplotv1":
pass
else:
raise Exception("Invalid LogarithmPlotter file.")
except Exception as e: # If file can't be loaded
QMessageBox.warning(None, 'LogarithmPlotter', QCoreApplication.translate('main','Could not open file "{}":\n{}').format(filename, e), QMessageBox.Ok) # Cannot parse file
else:
QMessageBox.warning(None, 'LogarithmPlotter', QCoreApplication.translate('main','Could not open file: "{}"\nFile does not exist.').format(filename), QMessageBox.Ok) # Cannot parse file
chdir(path.dirname(path.realpath(__file__)))
return data
@Slot(result=str)
def gettmpfile(self):
global tmpfile
return tmpfile
@Slot()
def copyImageToClipboard(self):
global tmpfile
clipboard = QApplication.clipboard()
clipboard.setImage(QImage(tmpfile))
@Slot(result=str)
def getVersion(self):
return __VERSION__
@Slot(str, result=str)
def getSetting(self, namespace):
return config.getSetting(namespace)
@Slot(str, result=bool)
def getSettingBool(self, namespace):
return config.getSetting(namespace)
@Slot(str, str)
def setSetting(self, namespace, value):
return config.setSetting(namespace, value)
@Slot(str, bool)
def setSettingBool(self, namespace, value):
return config.setSetting(namespace, value)
@Slot(str)
def setLanguage(self, new_lang):
config.setSetting("language", new_lang)
@Slot(result=str)
def getDebugInfos(self):
"""
Returns the version info about Qt, PySide2 & Python
"""
return QCoreApplication.translate('main',"Built with PySide2 (Qt) v{} and python v{}").format(PySide2_version, sys_version.split("\n")[0])
@Slot(str)
def openUrl(self, url):
openWeb(url)
def run():
environ["QT_QUICK_CONTROLS_STYLE"] = {
"linux": get_linux_theme(),
"freebsd": get_linux_theme(),
"win32": "universal" if os_release == "10" else "fusion",
"cygwin": "fusion",
"darwin": "default"
}[platform]
dep_time = time()
print("Loaded dependencies in " + str((dep_time - start_time)*1000) + "ms.")
icon_fallbacks = QIcon.fallbackSearchPaths();
icon_fallbacks.append(path.realpath(path.join(getcwd(), "qml", "eu", "ad5001", "LogarithmPlotter", "icons")))
icon_fallbacks.append(path.realpath(path.join(getcwd(), "qml", "eu", "ad5001", "LogarithmPlotter", "icons", "settings")))
icon_fallbacks.append(path.realpath(path.join(getcwd(), "qml", "eu", "ad5001", "LogarithmPlotter", "icons", "settings", "custom")))
QIcon.setFallbackSearchPaths(icon_fallbacks);
app = QApplication(argv)
app.setApplicationName("LogarithmPlotter")
app.setOrganizationName("Ad5001")
app.setWindowIcon(QIcon(path.realpath(path.join(getcwd(), "logarithmplotter.svg"))))
# Installing translators
translator = QTranslator()
# Check if lang is forced.
forcedlang = [p for p in argv if p[:7]=="--lang="]
locale = QLocale(forcedlang[0][7:]) if len(forcedlang) > 0 else QLocale()
if (translator.load(locale, "lp", "_", path.realpath(path.join(getcwd(), "i18n")))):
app.installTranslator(translator);
# Installing macOS file handler.
macOSFileOpenHandler = None
if platform == "darwin":
macOSFileOpenHandler = native.MacOSFileOpenHandler()
app.installEventFilter(macOSFileOpenHandler)
engine = QQmlApplicationEngine()
helper = Helper(engine)
engine.rootContext().setContextProperty("Helper", helper)
engine.rootContext().setContextProperty("TestBuild", "--test-build" in argv)
engine.rootContext().setContextProperty("StartTime", dep_time)
app.translate("About","About LogarithmPlotter") # FOR SOME REASON, if this isn't included, Qt refuses to load the QML file.
engine.addImportPath(path.realpath(path.join(getcwd(), "qml")))
engine.load(path.realpath(path.join(getcwd(), "qml", "eu", "ad5001", "LogarithmPlotter", "LogarithmPlotter.qml")))
if not engine.rootObjects():
print("No root object", path.realpath(path.join(getcwd(), "qml")))
print(path.realpath(path.join(getcwd(), "qml", "eu", "ad5001", "LogarithmPlotter", "LogarithmPlotter.qml")))
exit(-1)
chdir(pwd)
if len(argv) > 0 and path.exists(argv[-1]) and argv[-1].split('.')[-1] in ['lpf']:
engine.rootObjects()[0].loadDiagram(argv[-1])
chdir(path.dirname(path.realpath(__file__)))
if platform == "darwin":
macOSFileOpenHandler.init_graphics(engine.rootObjects()[0])
# Check for updates
if config.getSetting("check_for_updates"):
check_for_updates(__VERSION__, engine.rootObjects()[0])
exit_code = app.exec_()
close(fd)
remove(tmpfile)
config.save()
exit(exit_code)
if __name__ == "__main__":
run()